TPU (thermoplastic polyurethane) film trimming device
By designing a TPU film cutting edge of fixed tables, sliders, pressure plates, levers, and cutting knives, the problem of thin and accurate edge effects is solved when the traditional cut -filled edge is crooked when the film is crooked. Essence
Patent Information
- Application Number
- CN202421260106.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-06-04
AI Technical Summary
When cutting edges of traditional TPU films, it is easy to cause skewed edges due to the film being wrinkled, which affects the effect of cutting edges.
A TPU film cutting device is designed, including the base, fixed table, slider, pressure plate, control screw, lever, card, telescopic board and cutting knife. By controlling the coordination of the screw and the pressure plate, the film tight and fixation is achieved; by dialing the lever to drive the card to slide out the card slot, the limitation of the slider is lifted, and the position of the thin film is adjusted. With the lower pressure side board, the cutting edge operation is realized.
Effectively avoid folds of the film, ensure the effect of cutting edges, avoid the problem of crooked edges, and greatly improve the quality of the cut edge.
Smart Images
Figure CN222406787U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of TPU film edge cutting, in particular to a TPU film edge cutting device. Background Art
[0002] During the processing and production of TPU film, burrs often appear on the edge of the film, affecting the aesthetics of the film. Therefore, before the film is produced, it is often necessary to trim the film to solve the burr problem. In the prior art, when traditionally trimming the film, wrinkles often occur on the film, causing the trimming to become skewed. Therefore, we propose a TPU film trimming device to solve the above problem. Utility Model Content
[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: the problem that the cutting edge of the traditional TPU film is easily skewed due to the wrinkling of the film during the cutting edge, which affects the cutting effect, and a TPU film cutting device is proposed.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A TPU film trimming device comprises a base, wherein two fixed platforms are arranged on the base, one of the fixed platforms is fixedly arranged at one end of the base, and the other fixed platform is slidably arranged on the base through a slider, a slide groove corresponding to the slider is opened on the base, and a fixing mechanism corresponding to the slider is arranged on the slider, a film pressing mechanism is arranged on the two fixed platforms, and a film cutting mechanism is also arranged on the base.
[0006] Preferably, the fixing mechanism includes two clamping blocks, and telescopic grooves corresponding to the clamping blocks are provided on both side walls of the sliding block. The two clamping blocks are respectively slidably arranged in the two telescopic grooves, and the two clamping blocks are connected to the inner wall of the telescopic groove through a second spring. Several clamping grooves corresponding to the clamping blocks are provided on both side walls of the sliding groove, and each clamping block is provided with a corresponding toggle mechanism.
[0007] Preferably, the toggle mechanism comprises two toggle rods, which are respectively fixed on the side walls of the two blocks, and both of the toggle rods are slidably arranged through the upper wall of the slider, and the slider is symmetrically provided with two strip-shaped sliding openings corresponding to the toggle rods.
[0008] Preferably, the film clamping mechanism includes two pressure plates, and sliding grooves are provided on the side walls of the two fixed platforms that are close to each other. The two pressure plates are respectively slidably arranged in the two sliding grooves, and a number of control screws are rotatably arranged on the two pressure plates. The several control screws are rotatably passed through the upper walls of the two fixed platforms and are fixedly connected with a rotating handle.
[0009] Preferably, the film cutting mechanism includes a cutter, a side plate is slidably arranged on the side wall of the base, the side plate is slidably arranged on the side wall of the base through a slide, the side wall of the base is provided with a lifting groove corresponding to the slide, the slide is connected to the lower wall of the lifting groove through a first spring, a telescopic plate is slidably arranged on the side plate, and the cutter is fixedly arranged on the lower wall of one end of the telescopic plate.
[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: by controlling the cooperation between the screw and the pressure plate, the film is pressed tightly against the base, and the fixed platform fixed on the base presses and fixes one end of the film, and then by setting a lever, the control of the card block is achieved. The lever can be pushed to drive the card block to slide out of the slot, thereby releasing the restriction on the slider, and the fixed platform on the other side can be slid. The fixed platform is slid to adjust its position according to the length of the film. After the film is tightened, the pressure plate on the slidable fixed platform is controlled to be pressed down, so that the film is fixed after it is tightened, wrinkles are avoided in the film, and the trimming effect is ensured. The cutting position of the cutter can be adjusted by adjusting the extended length of the telescopic plate, and the trimming operation can be completed by pressing down the side plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a three-dimensional structural schematic diagram of a TPU film trimming device proposed by the utility model;
[0012] Figure 2 This is a schematic diagram of the top view of a TPU film trimming device proposed by the utility model;
[0013] Figure 3 for Figure 2 Schematic diagram of the structure at A in the middle.
[0014] In the figure: 1 base, 2 fixed platform, 3 slide groove, 4 slider, 5 pressure plate, 6 control screw, 7 lever, 8 side plate, 9 lifting groove, 10 first spring, 11 telescopic plate, 12 cutter, 13 slide plate, 14 block, 15 telescopic groove, 16 second spring. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0016] Reference Figure 1-3A TPU film trimming device comprises a base 1, on which two fixed platforms 2 are arranged, one fixed platform 2 is fixedly arranged at one end of the base 1, and the other fixed platform 2 is slidably arranged on the base 1 through a slider 4, a slide groove 3 corresponding to the slider 4 is provided on the base 1, and a fixing mechanism corresponding thereto is provided on the slider 4, and the fixing mechanism comprises two clamping blocks 14, and both side walls of the slider 4 are provided with telescopic grooves 15 corresponding to the clamping blocks 14, and the two clamping blocks 14 are respectively slidably arranged in the two telescopic grooves 15, and both the two clamping blocks 14 are connected to the inner wall of the telescopic groove 15 through a second spring 16, and both side walls of the slide groove 3 are provided with a second spring 16. A plurality of card slots corresponding to the card blocks 14 are provided, and each card block 14 is provided with a corresponding toggle mechanism, the toggle mechanism includes two toggle rods 7, the two toggle rods 7 are respectively fixed on the side walls of the two card blocks 14, and the two toggle rods 7 are slidably arranged through the upper wall of the slider 4, and the slider 4 is symmetrically provided with two strip-shaped sliding openings corresponding to the toggle rods 7, and the two fixed platforms 2 are provided with a film clamping mechanism, and the film clamping mechanism includes two pressing plates 5, and the side walls of the two fixed platforms 2 that are close to each other are provided with sliding grooves, and the two pressing plates 5 are respectively slidably arranged in the two sliding grooves, and a plurality of control screws 6 are rotatably arranged on the two pressing plates 5. A plurality of control screws 6 are rotated and penetrate the upper walls of the two fixed platforms 2 and are fixedly connected with a rotating handle. A film cutting mechanism is also provided on the base 1, and the film cutting mechanism includes a cutter 12. A side plate 8 is slidably provided on the side wall of the base 1. The side plate 8 is slidably provided on the side wall of the base 1 through a slide plate 13. A lifting groove 9 corresponding to the slide plate 13 is opened on the side wall of the base 1. The slide plate 13 is connected to the lower wall of the lifting groove 9 through a first spring 10. A telescopic plate 11 is slidably provided on the side plate 8. The cutter 12 is fixedly provided on the lower wall of one end of the telescopic plate 11. Through the cooperation of the control screw 6 and the pressing plate 5, the film is pressed tightly on the base 1, and the film is fixed. The fixed platform 2 fixed on the base 1 presses and fixes one end of the film, and then the control of the card block 14 is realized by setting the lever 7. The card block 14 can be driven to slide out of the slot by toggling the lever 7, thereby releasing the restriction on the slider 4, and the fixed platform 2 on the other side can be slid. The fixed platform 2 is slid to adjust the position according to the length of the film. After the film is tightened, the pressure plate 5 on the slidable fixed platform 2 is controlled to be pressed down, so that the film is fixed after being tightened, wrinkles in the film are avoided, and the trimming effect is ensured. The cutting position of the cutter 12 can be adjusted by adjusting the extended length of the telescopic plate 11, and the trimming operation can be completed by pressing down the side plate 8.
[0017] In the utility model, when trimming the TPU film, first place one end of the film under the pressure plate 5 on one side of the fixed fixing platform 2, rotate the control screw 6 on the side pressure plate 5, push the pressure plate 5 downward to press and fix one end of the film, and then pull the film to a flat and tight state, move the lever 7 to drive the card block 14 to slide out of the card slot, thereby releasing the restriction and fixation of the slider 4, and then slide the fixed platform 2 on the slider 4 until the pressure plate 5 on the slidable fixed platform 2 reaches the other end of the film, and then rotate the control screw 6 thereon to drive the pressure plate 5 to press the other end of the film, so as to complete the tensioning and fixation of the film to avoid wrinkles, and then push the telescopic plate 11 to adjust the cutter 12 to the position where trimming is required, press the side plate 8 to drive the cutter 12 to move downward to complete the trimming operation, effectively avoiding the problem of skewed trimming caused by wrinkles, and greatly improving the trimming effect.
[0018] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A TPU film trimming device, comprising a base (1), characterized in that: The base (1) is provided with two fixed platforms (2), one of the fixed platforms (2) is fixedly arranged at one end of the base (1), and the other fixed platform (2) is slidably arranged on the base (1) via a slider (4), the base (1) is provided with a slide groove (3) corresponding to the slider (4), the slider (4) is provided with a corresponding fixing mechanism, both the fixed platforms (2) are provided with a film pressing mechanism, and the base (1) is also provided with a film cutting mechanism.
2. A TPU film trimming device according to claim 1, characterized in that: The fixing mechanism comprises two clamping blocks (14), and telescopic grooves (15) corresponding to the clamping blocks (14) are respectively provided on the side walls on both sides of the sliding block (4). The two clamping blocks (14) are respectively slidably arranged in the two telescopic grooves (15), and the two clamping blocks (14) are connected to the inner wall of the telescopic groove (15) through a second spring (16). A plurality of clamping grooves corresponding to the clamping blocks (14) are respectively provided on the side walls on both sides of the sliding groove (3), and each of the clamping blocks (14) is provided with a corresponding toggle mechanism.
3. A TPU film trimming device according to claim 2, characterized in that: The toggle mechanism comprises two toggle rods (7), the two toggle rods (7) are respectively fixedly arranged on the side walls of the two clamping blocks (14), and the two toggle rods (7) are both slidably arranged to penetrate the upper wall of the slider (4), and the slider (4) is symmetrically provided with two strip-shaped sliding openings corresponding to the toggle rods (7).
4. A TPU film trimming device according to claim 1, characterized in that: The film clamping mechanism comprises two pressing plates (5), and a sliding groove is provided on the side wall of the two fixed platforms (2) close to each other. The two pressing plates (5) are respectively slidably arranged in the two sliding grooves, and a plurality of control screws (6) are rotatably arranged on the two pressing plates (5). The plurality of control screws (6) are rotatably penetrated through the upper walls of the two fixed platforms (2) and are fixedly connected with a rotating handle.
5. A TPU film trimming device according to claim 1, characterized in that: The film cutting mechanism comprises a cutter (12), a side plate (8) is slidably arranged on the side wall of the base (1), the side plate (8) is slidably arranged on the side wall of the base (1) through a slide plate (13), the side wall of the base (1) is provided with a lifting groove (9) corresponding to the slide plate (13), the slide plate (13) is connected to the lower wall of the lifting groove (9) through a first spring (10), a telescopic plate (11) is slidably arranged on the side plate (8), and the cutter (12) is fixedly arranged on the lower wall of one end of the telescopic plate (11).